Use bitwise not 0 for last block flag

1 files changed, 2 insertions, 2 deletions

diff --git a/blake2.cpp b/blake2.cpp
index a97564a5..517849a9 100644
--- a/blake2.cpp
+++ b/blake2.cpp
@@ -473,11 +473,11 @@ void BLAKE2_Base<W, T_64bit>::TruncatedFinal(byte *hash, size_t size)
 

     // Set last block unconditionally

     State& state = *m_state.data();

-    state.f[0] = static_cast<W>(-1);

+    state.f[0] = ~static_cast<W>(0);

 

     // Set last node if tree mode

     if (m_treeMode)

-        state.f[1] = static_cast<W>(-1);

+        state.f[1] = ~static_cast<W>(0);

 

     // Increment counter for tail bytes only

     IncrementCounter(state.length);